Solve Linear Equations

Front

What is a linear equation?

Back

A linear equation is an equation that makes a straight line when graphed. It can be written in the form ax + b = c, where a, b, and c are constants.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform inverse operations to get the variable by itself on one side of the equation.

Front

What is the first step to solve the equation: 2x + 3 = 11?

Back

Subtract 3 from both sides to get 2x = 8.

Front

What does it mean to solve for x?

Back

Solving for x means finding the value of x that makes the equation true.

Front

What is the solution to the equation: x - 5 = 10?

Back

x = 15.

Front

What is the first step to solve the equation: 3x + 4 = 19?

Back

Subtract 4 from both sides to get 3x = 15.

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (like +, -, *, /) without an equality sign.

Front

What is the solution to the equation: 5x = 25?

Back

x = 5.

Front

How do you check if your solution to an equation is correct?

Back

You substitute your solution back into the original equation to see if both sides are equal.

Front

What is the first step to solve the equation: 4x - 8 = 0?

Back

Add 8 to both sides to get 4x = 8.